DE1273860B - System zum Druckvergleich an zwei Messstellen an der Aussenflaeche eines in einem Gasstrom befindlichen Koerpers - Google Patents
System zum Druckvergleich an zwei Messstellen an der Aussenflaeche eines in einem Gasstrom befindlichen KoerpersInfo
- Publication number
- DE1273860B DE1273860B DEC34949A DEC0034949A DE1273860B DE 1273860 B DE1273860 B DE 1273860B DE C34949 A DEC34949 A DE C34949A DE C0034949 A DEC0034949 A DE C0034949A DE 1273860 B DE1273860 B DE 1273860B
- Authority
- DE
- Germany
- Prior art keywords
- bridge
- measuring points
- heating elements
- pressure
- cooled
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010438 heat treatment Methods 0.000 claims description 44
- 238000004891 communication Methods 0.000 claims description 2
- 230000035945 sensitivity Effects 0.000 description 17
- 239000000523 sample Substances 0.000 description 13
- 239000007789 gas Substances 0.000 description 7
- 230000010287 polarization Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000003068 static effect Effects 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 230000001419 dependent effect Effects 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 241000554155 Andes Species 0.000 description 1
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
- G01P5/10—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring thermal variables
- G01P5/12—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring thermal variables using variation of resistance of a heated conductor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C29/00—Aircraft capable of landing or taking-off vertically, e.g. vertical take-off and landing [VTOL] aircraft
- B64C29/0091—Accessories not provided for elsewhere
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L11/00—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00
- G01L11/002—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00 by thermal means, e.g. hypsometer
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
- G01P5/10—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring thermal variables
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
- Measuring Volume Flow (AREA)
- Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR961591A FR1391867A (fr) | 1964-01-27 | 1964-01-27 | Détecteur thermique de circulation d'un gaz |
Publications (1)
Publication Number | Publication Date |
---|---|
DE1273860B true DE1273860B (de) | 1968-07-25 |
Family
ID=8821746
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DEC34949A Pending DE1273860B (de) | 1964-01-27 | 1965-01-26 | System zum Druckvergleich an zwei Messstellen an der Aussenflaeche eines in einem Gasstrom befindlichen Koerpers |
Country Status (5)
Country | Link |
---|---|
US (1) | US3374676A (fr) |
DE (1) | DE1273860B (fr) |
FR (1) | FR1391867A (fr) |
GB (1) | GB1094412A (fr) |
NL (1) | NL6500990A (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1986004149A1 (fr) * | 1985-01-09 | 1986-07-17 | Roland Sommer | Procede pour mesurer la direction et l'intensite d'ecoulements gazeux ou liquides et sonde pour l'application du procede |
WO2003087847A1 (fr) * | 2002-04-10 | 2003-10-23 | Honeywell International Inc. | Detecteur de mesure d'un angle au vent |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3830104A (en) * | 1973-03-30 | 1974-08-20 | Chrysler Corp | Vortex swirl flowmeter sensor probe |
DE3130817A1 (de) * | 1981-08-04 | 1983-02-24 | Leybold-Heraeus GmbH, 5000 Köln | Waermeleitungsvakuummeter |
FR2528186A1 (fr) * | 1982-06-07 | 1983-12-09 | Deude Rene | Systemes permettant la detection d'objet par variation de mouvement d'un fluide |
US4787251A (en) * | 1987-07-15 | 1988-11-29 | Tsi Incorporated | Directional low differential pressure transducer |
FR2711240B1 (fr) * | 1993-10-12 | 1995-12-15 | Cerga | Dispositif de détection d'un faible déséquilibre de pression entre deux volumes d'air. |
FR2844353B1 (fr) * | 2002-09-10 | 2005-03-25 | Conseils Etudes Et Recherches En Gestion De Lair Cerga | Dispositif de mesure d'un faible ecart de pression entre deux volumes d'air |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE362671C (de) * | 1922-10-30 | Hermann Heinicke | Vorrichtung zum Messen von Luft- oder Gasdruck | |
DE383375C (de) * | 1921-11-11 | 1923-10-12 | Hermann Heinicke | Vorrichtung zum Anzeigen von Druckaenderungen |
US2358467A (en) * | 1942-04-21 | 1944-09-19 | Breeze Corp | Electrical piezometer |
US3021712A (en) * | 1958-02-25 | 1962-02-20 | New York Air Brake Co | Pressure gauge |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3097520A (en) * | 1963-07-16 | Reducing thermal upsets in fluid measuring cells | ||
US2214188A (en) * | 1937-04-05 | 1940-09-10 | American Well Works | Rotary distributor |
US2512278A (en) * | 1945-04-11 | 1950-06-20 | Edison Inc Thomas A | Air-flow indicator |
US2736198A (en) * | 1951-08-31 | 1956-02-28 | Fluid stream direction indicator | |
US3082619A (en) * | 1959-10-27 | 1963-03-26 | Standard Oil Co | Gas density balance |
US3138436A (en) * | 1960-06-03 | 1964-06-23 | Union Carbide Corp | Apparatus for monitoring chemical reactions |
US3020746A (en) * | 1960-12-30 | 1962-02-13 | Clarke C Minter | Thermal conductivity leak detector |
-
1964
- 1964-01-27 FR FR961591A patent/FR1391867A/fr not_active Expired
-
1965
- 1965-01-22 GB GB3032/65A patent/GB1094412A/en not_active Expired
- 1965-01-26 DE DEC34949A patent/DE1273860B/de active Pending
- 1965-01-26 US US428045A patent/US3374676A/en not_active Expired - Lifetime
- 1965-01-27 NL NL6500990A patent/NL6500990A/xx unknown
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE362671C (de) * | 1922-10-30 | Hermann Heinicke | Vorrichtung zum Messen von Luft- oder Gasdruck | |
DE383375C (de) * | 1921-11-11 | 1923-10-12 | Hermann Heinicke | Vorrichtung zum Anzeigen von Druckaenderungen |
US2358467A (en) * | 1942-04-21 | 1944-09-19 | Breeze Corp | Electrical piezometer |
US3021712A (en) * | 1958-02-25 | 1962-02-20 | New York Air Brake Co | Pressure gauge |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1986004149A1 (fr) * | 1985-01-09 | 1986-07-17 | Roland Sommer | Procede pour mesurer la direction et l'intensite d'ecoulements gazeux ou liquides et sonde pour l'application du procede |
WO2003087847A1 (fr) * | 2002-04-10 | 2003-10-23 | Honeywell International Inc. | Detecteur de mesure d'un angle au vent |
US6772976B1 (en) | 2002-04-10 | 2004-08-10 | Honeywell International, Inc. | Sensor for measuring wind angle |
Also Published As
Publication number | Publication date |
---|---|
NL6500990A (fr) | 1965-07-28 |
US3374676A (en) | 1968-03-26 |
GB1094412A (en) | 1967-12-13 |
FR1391867A (fr) | 1965-03-12 |
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